Box harp



FIG. 1 is a right side elevational view of a box harp showing my new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof, the bottom being flat and unornamented.

FIG. 5 is the left side elevational view thereof. 

The ornamental design for a box harp, as shown and described. 